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L7986ATR
+Lista de MateriaisIC REG BUCK ADJUSTABLE 3A 8HSOP
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FabricanteSTMicroeletrônica
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Peça do Fabricante #L7986ATR
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Ficha Técnica L7986ATR DataSheet
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Pacote HSOP-8
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 38V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 38V |
| Current-Output | 3A |
| Frequency-Switching | 250kHz ~ 1MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
Visão Geral
Description
The L7986ATR is a step-down switching regulator from STMicroelectronics. It is designed to convert a higher input voltage to a lower output voltage efficiently. This device is part of the L7986 series and is housed in a compact HSOP-8 package, which provides effective thermal performance.
Key features of the L7986ATR include a wide input voltage range, typically from 4.5V to 38V, making it suitable for a variety of applications, including industrial and automotive systems. It delivers an adjustable output voltage and can provide up to 3A of output current. The regulator operates at a fixed switching frequency and incorporates advanced features like internal compensation, soft-start for controlled startup, and overcurrent protection to enhance reliability and performance.
The L7986ATR is also recognized for its high efficiency, which is crucial for minimizing power loss and thermal buildup. Its design enables it to operate in environments where space is limited, while still maintaining robust performance and stability.
Key features of the L7986ATR include a wide input voltage range, typically from 4.5V to 38V, making it suitable for a variety of applications, including industrial and automotive systems. It delivers an adjustable output voltage and can provide up to 3A of output current. The regulator operates at a fixed switching frequency and incorporates advanced features like internal compensation, soft-start for controlled startup, and overcurrent protection to enhance reliability and performance.
The L7986ATR is also recognized for its high efficiency, which is crucial for minimizing power loss and thermal buildup. Its design enables it to operate in environments where space is limited, while still maintaining robust performance and stability.
Equivalent
The L7986ATR is a step-down switching regulator from STMicroelectronics. Equivalent products may include similar step-down (buck) converters from other manufacturers such as:
1. LM2596 from Texas Instruments
2. MP2315 from Monolithic Power Systems
3. MC34063A from ON Semiconductor
4. XL4015 from XLSEMI
These alternatives should be checked for matching specifications like input voltage range, output current, switching frequency, and package type to ensure compatibility with your application.
1. LM2596 from Texas Instruments
2. MP2315 from Monolithic Power Systems
3. MC34063A from ON Semiconductor
4. XL4015 from XLSEMI
These alternatives should be checked for matching specifications like input voltage range, output current, switching frequency, and package type to ensure compatibility with your application.
Features
The L7986ATR is a step-down switching regulator from STMicroelectronics, designed for high efficiency and compact designs. Key features include:
1. Wide Input Voltage Range: It supports 4.5V to 38V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 2A output current.
3. Switching Frequency: Adjustable from 250 kHz to 1.5 MHz, allowing for design flexibility in terms of size and efficiency.
4. Low Quiescent Current: The device has a low standby current of 2.8 mA, improving efficiency in low-load conditions.
5. Synchronization Capability: It can synchronize with an external clock for improved EMI performance.
6. Thermal Protection: Includes thermal shutdown to prevent overheating.
7. Overcurrent Protection: Offers comprehensive protection features, including overcurrent and short-circuit protection.
8. Soft-Start Function: Reduces inrush current during startup.
9. Compact Package: Available in an HTSSOP16 package, suitable for space-constrained applications.
These features make the L7986ATR ideal for automotive, industrial, and general-purpose power supply solutions.
1. Wide Input Voltage Range: It supports 4.5V to 38V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 2A output current.
3. Switching Frequency: Adjustable from 250 kHz to 1.5 MHz, allowing for design flexibility in terms of size and efficiency.
4. Low Quiescent Current: The device has a low standby current of 2.8 mA, improving efficiency in low-load conditions.
5. Synchronization Capability: It can synchronize with an external clock for improved EMI performance.
6. Thermal Protection: Includes thermal shutdown to prevent overheating.
7. Overcurrent Protection: Offers comprehensive protection features, including overcurrent and short-circuit protection.
8. Soft-Start Function: Reduces inrush current during startup.
9. Compact Package: Available in an HTSSOP16 package, suitable for space-constrained applications.
These features make the L7986ATR ideal for automotive, industrial, and general-purpose power supply solutions.
Pinout
The L7986ATR is a step-down switching regulator integrated circuit by STMicroelectronics. It typically comes in a compact HSOP8 package, which includes 8 pins. Here is a brief overview of its pin functions:
1. VIN: Input voltage supply pin. It is used to power the IC and typically supports an input range of 4.5V to 38V.
2. SW: Switch output pin. It is connected to the inductor and facilitates the switching operation.
3. GND: Ground pin. It serves as the common ground reference for the IC.
4. FB: Feedback voltage pin. This pin is used to set the output voltage via an external resistive divider.
5. COMP: Compensation pin. It is utilized for frequency compensation of the control loop.
6. EN: Enable pin. This pin enables or disables the device operation.
7. VREF: Reference voltage pin. It provides a reference voltage for internal operations.
8. NC: No connection. This pin is not connected internally and can be left floating.
The L7986ATR is designed for use in various applications requiring efficient voltage regulation, offering features like high efficiency, low quiescent current, and adjustable output voltage.
1. VIN: Input voltage supply pin. It is used to power the IC and typically supports an input range of 4.5V to 38V.
2. SW: Switch output pin. It is connected to the inductor and facilitates the switching operation.
3. GND: Ground pin. It serves as the common ground reference for the IC.
4. FB: Feedback voltage pin. This pin is used to set the output voltage via an external resistive divider.
5. COMP: Compensation pin. It is utilized for frequency compensation of the control loop.
6. EN: Enable pin. This pin enables or disables the device operation.
7. VREF: Reference voltage pin. It provides a reference voltage for internal operations.
8. NC: No connection. This pin is not connected internally and can be left floating.
The L7986ATR is designed for use in various applications requiring efficient voltage regulation, offering features like high efficiency, low quiescent current, and adjustable output voltage.
Manufacturer
The L7986ATR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company serves various sectors including automotive, industrial, personal electronics, communications equipment, and computers. It is known for its expertise in areas such as microcontrollers, power management, MEMS (Micro-Electromechanical Systems), and sensors. STMicroelectronics is headquartered in Geneva, Switzerland, and operates worldwide, providing advanced semiconductor solutions that contribute to the efficiency and innovation of electronic applications.
Application
The L7986ATR is a step-down switching regulator designed for a wide range of applications. It is commonly used in power management for consumer electronics, industrial automation, and communication systems. Its ability to efficiently step down voltage makes it suitable for battery-powered devices, portable equipment, and embedded systems. Additionally, it can be used in automotive applications for powering sensors and microcontrollers, as well as in the Internet of Things (IoT) devices where efficient power conversion is crucial. The L7986ATR's features, such as high efficiency, compact size, and thermal management, make it a versatile choice for designs requiring stable and reliable DC-DC conversion.
Package
The L7986ATR is a step-down switching regulator from STMicroelectronics, and it is housed in an HSOP-8 package.
